/**
 * 创建 UUID
 */
export function createUUID() {
  let dt = Date.now()
  const uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(
    /[xy]/g,
    (c) => {
      const r = (dt + Math.random() * 16) % 16 | 0
      dt = Math.floor(dt / 16)
      return (c === 'x' ? r : (r & 0x3) | 0x8).toString(16)
    }
  )
  return uuid
}
